S-91290A368 M12 x 170 mm DIN 912, ISO 4762, ISO 898-1 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 12.9 strength rating and 170,000 psi tensile strength for reliable performance in high-stress environments.
• Superior corrosion resistance thanks to the black-oxide finish on alloy steel, extending service life in demanding industrial conditions.
• Precise torque application enabled by the 10 mm hex socket drive, reducing tool slippage and ensuring secure fastening.
• Optimized thread engagement with coarse 1.75 mm pitch and Class 6g thread fit for quick assembly and vibration resistance.
• Enhanced durability from Rockwell C37 hardness, maintaining structural integrity under repeated loads and impacts.
• Versatile partial threading allowing for adjustable clamping force and ease of installation in varied material thicknesses.
• Global compliance assurance meeting DIN 912, ISO 4762, and ISO 898-1 standards for consistent quality and interoperability.

Professional Applications & Engineering Value

This M12 socket head cap screw is engineered to address critical challenges in heavy machinery, automotive assembly, and structural frameworks where failure is not an option. The black-oxide alloy steel construction combats rust and wear, while the coarse thread pitch (1.75 mm) ensures rapid installation and reduced cross-threading risks in high-vibration settings. With a partially threaded design, it provides flexibility for precise tension control in applications like equipment mounts and conveyor systems. The hex socket drive allows for compact tool access in confined spaces, enhancing efficiency in maintenance and manufacturing lines. By integrating high tensile strength and standardized dimensions, this fastener minimizes downtime and boosts operational reliability across industrial sectors.

Specification Summary & Compliance

This product adheres to precise metric dimensions including a 170 mm length, M12 thread size, and Class 6g thread fit for accurate mating. It conforms to DIN 912 and ISO 4762 for socket head profiles and ISO 898-1 for mechanical properties, ensuring dimensional and performance consistency. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible and safe industrial use.